Clinical predictors of insomnia in borderline personality disorder: a polysomnographic and subjective examination

Table 5 Clinical measures association to insomnia in individuals with borderline personality disorder

BPD insomnia ISI	DF	Estimate (effect size)	Prob>\|t\|
Intercept		13.607943	0.006
BDI n = 43	1	1.1213207	< 0.001***
Intercept		110.13841	< 0.001***
DERS Total Score (BPD) n = 42	1	0.9799794	0.134
Intercept		18.146662	< 0.001***
DERS Nonacceptance (BPD) n = 42	1	0.2513128	0.196
Intercept		15.443736	< 0.001***
DERS Goals (BPD) n = 42	1	0.2068173	0.011
Intercept		14.445611	< 0.001***
DERS Impulse (BPD) n = 42	1	0.2770068	0.068
Intercept		20.77907	< 0.001***
DERS Awareness (BPD) n = 42	1	-0.005814	0.967
Intercept		24.473368	< 0.001***
DERS Strategies (BPD) n = 42	1	0.2408102	0.197
Intercept		17.07952	< 0.001***
DERS Clarity (BPD) n = 42	1	0.0010315	0.993
Intercept		39.257548	< 0.001***
ERS (BPD) n = 42	1	0.8756829	0.038
Intercept		36.080939	< 0.001***
PSAS (BPD)n = 41	1	0.9185429	0.004
Intercept		35.366977	0.001
ZIL (BPD)n = 27	1	1.6041528	0.030
Intercept		46.305423	< 0.001***
TAS (BPD)n = 26	1	1.34694	< 0.001***
Intercept		53,667105	< 0.001***
CTQ (BPD) n = 41	1	0.7797233	0.145
Intercept		19.954194	< 0.001***
BPDSI-4wn = 44	1	0.7746052	0.006
Intercept		36.992182	0.003
BSL-23 n = 31	1	1.0254929	0.206

RQ3.3***P < 0,001 Standard Least Squares regression analysis of BPD condition with insomnia as the dependent variable and these clinical variables analysed in individual models as independent variables: BDI: Beck Depression Inventory, DERS: Difficulties in Emotion Regulation Scale and subscales, PSAS: Pre-Sleep Arousal Scale, ZIL: Self-Rating Inventory for PTSD (ZIL), TAS: Toronto Alexithymia Scale, CTQ: Childhood Trauma Questionnaire, and ERS: Emotional Reactivity Scale, BPDSI-4w: Borderline Personality Disorder Severity Index − 4 weeks, and BSL-23: Borderline Symptomatology List. In bold, significant results

ISSN: 2051-6673